From: Alexander Graf <agraf@suse.de>
To: Scott Wood <scottwood@freescale.com>
Cc: qemu-ppc@nongnu.org, qemu-devel Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 6/8] PPC: booke: add tlbnps handling
Date: Mon, 23 Jan 2012 18:33:00 +0100 [thread overview]
Message-ID: <4F1D99CC.90203@suse.de> (raw)
In-Reply-To: <4F1D9912.1090803@freescale.com>
On 01/23/2012 06:29 PM, Scott Wood wrote:
> On 01/20/2012 10:15 PM, Alexander Graf wrote:
>> +/* returns bitmap of supported page sizes for a given TLB */
>> +static inline uint32_t booke206_tlbnps(CPUState *env, const int tlbn)
>> +{
>> + bool mav2 = false;
>> + uint32_t ret = 0;
>> +
>> + if (mav2) {
>> + ret = env->spr[SPR_BOOKE_TLB0PS + tlbn];
>> + } else {
>> + uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
>> + uint32_t min = (tlbncfg& TLBnCFG_MINSIZE)>> TLBnCFG_MINSIZE_SHIFT;
>> + uint32_t max = (tlbncfg& TLBnCFG_MAXSIZE)>> TLBnCFG_MAXSIZE_SHIFT;
>> + int i;
>> + for (i = min; i<= max; i++) {
>> + ret |= (1<< (i<< 1));
>> + }
>> + }
> For mav1 only the even sizes are supported.
Yes, which is why min and max are >> 1 compared to the MAV2 values.
Alex
next prev parent reply other threads:[~2012-01-23 17:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-21 4:15 [Qemu-devel] [PATCH 0/8] Make -cpu e500mc useful in TCG v2 Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 1/8] PPC: Add IVOR 38-42 Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 2/8] PPC: e500mc: add missing IVORs to bitmap Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 3/8] PPC: e500: msync is 440 only, e500 has real sync Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 4/8] PPC: rename msync to msync_4xx Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 5/8] PPC: booke206: allow NULL raddr in ppcmas_tlb_check Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 6/8] PPC: booke: add tlbnps handling Alexander Graf
2012-01-23 17:29 ` Scott Wood
2012-01-23 17:33 ` Alexander Graf [this message]
2012-01-21 4:15 ` [Qemu-devel] [PATCH 7/8] PPC: booke206: Check for min/max TLB entry size Alexander Graf
2012-01-23 17:32 ` Scott Wood
2012-01-23 17:33 ` Alexander Graf
2012-01-23 18:19 ` Scott Wood
2012-01-23 18:41 ` Alexander Graf
2012-01-23 18:49 ` Scott Wood
2012-01-23 20:03 ` Alexander Graf
2012-01-23 20:10 ` Scott Wood
2012-01-23 21:29 ` Alexander Graf
2012-01-23 21:41 ` Scott Wood
2012-01-21 4:15 ` [Qemu-devel] [PATCH 8/8] PPC: booke206: Implement tlbilx Alexander Graf
2012-01-21 20:04 ` Blue Swirl
2012-01-23 16:49 ` [Qemu-devel] [PATCH] " Alexander Graf
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